Wickless burner for liquid combustibles.



PATENTED AUG. I8, 1908.

c. IIBNNIG. WIUKLBSS BURNER FOR LIQUID COMBUSTIBLES.

APPLICATION FILED JUNE 28, 1907.-

UNITED STATES PATENT OFFICE.

CURT HENNIG, OF LEIPZIG-SELLERHAUSEN, GERMANY, ASSIGNOR TO HUGO SCHNEIDER, AKTIENGESELLSCHAFT, OF LEIPZIG-PAUNSDORF, GERMANY.

WICKLESS BURNER FOR LIQUID COMBUSTIBLES.

Specification of Letters Patent.

Patented Aug. 18, 1908.

Application led June 28, 1907. Serial No. 381,253.

To all whom it 'may concern:

Be it known that I, CURT HENNIG, a subject of the King of Saxony, residing in the city of Leipzig-Sellerhausen, in the Kingdom of Saxony, German Empire, have invented certain new and useful Improvements in Wickless Burners for Liquid Combustibles, of which the following is a specification.

This invention relates to a wickless burner in which the heat of the ame is utilized to rapidly and effectively volatilize the liquid fuel.

In the accompanying drawing: Figure l is a longitudinal section of my improved burner; Fig. 2 is a cross section on line A-B, Fig. l, and Fig. 3 alongitudinal section of a modification of the vaporizer.

A vaporizing tube a, composed of a good heat conducting material, extends from the burner tube b, to which it is directly screwed. Vaporizing tube a, extends into the reservoir c, containing the liquid fuel. Within tube a, are contained a suitable number of upright sustaining tubes d, within and between which are arranged a number of wire screens z, each of which is rolled up into a spiral. Screens e, are adapted to raise the liquid fuel by capillary action, and in conjunction with tubes b, and d, present a large vaporizing surface to the fuel. The screens furthermore constitute filters for separating impurities from the fuel, and principally for separating the resinous ingredients from methylated spirit.

Vaporizer a, is separated from the fuel in reservoir o, by an insulating jacket consisting of a cylinder composed of an inner shell f, and an outer concentric shell g. Shell f, is secured to the lower end of tube a, by a threaded sleeve i, while shell g, is connected at its upper end to the burner gallery by a threaded sleeve lc. Shells f, g, also extend below the bottom of tube a, where they are provided with a duct h, which is open at both ends and thus connects reservoir c, with the vaporizer. Cylinder f, g, is filled with a poor heat conductor, such as asbestos or air, while a second insulating air jacket is formed between tube a, and shell f. Above tube a, is arranged a vapor chamber p, provided with a number of horizontal sieves g, which retain any solid particles. Chamber p, carries a Bunsen burner nozzle r, inclosed Within tube b. Upon tube b, is fitted a perforated burner head s, provided with means for supporting an incandescent mantle thereon. Head s, and tube b, on becoming heated, will transmit their heat to tube a, as well as to tubes d, and rolled up wire screen a. In this way the fuel entering through duct L, will be vaporized rapidly to furnish an ample and constant supply of vapor fuel to the burner.

In Fig. 3, a ball check valve t, controls the flow of the fuel to the vaporizer. Here a cap t, having perforation u, is screwed to the bottom of tube a. 'Perforation u, is controlled by the valve o, movably held by keeper w. This valve checks the return of liquid from the vaporizer to the reservoir and thus prevents flickering.

I claim:

1. A wickless lamp, comprising a vaporizing tube, a series of inclosed tubes, a vapor chamber above said tubes, a Bunsen nozzle, a non-conducting apertured jacket detachably inclosing the vaporizing tube and provided with a perforated bottom extending below the foot of the vaporizing tube, and a reservoir for liquid combustible receiving the vaporizing tube and jacket, substantially as specified.

2. A wickless lamp, comprising a vaporizing tube, a series of inclosed tubes, a series of rolled wire screens within and between said tubes, a vapor chamber above said tubes, a Bunsen nozzle, a non-conducting apertured jacket detachably inclosing the vaporizing tube and provided with a perforated bottom extending below the foot of the vaporizing tube, and a reservoir for liquid combustible receiving the vaporizing tube and jacket, substantially as specified.

8. A wickless lamp, comprising a vaporizing tube, a series of inclosed tubes, a series of rolled wire screens within and between said tubes, a vapor chamber above said tubes, a

my name in the presence of two subscribing witnesses.

CURT HENNIG. Witnesses:

CARL HoHN, RUDOLPH FRIOKE. 

